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US Patent: 354,737
Lathe Head
Patentee: Francis H. Richards (exact or similar names) - Springfield, Hampden County, MA USPTO Classifications: 475/330, 82/131, 82/142, 82/147 Tool Categories: metalworking machines : metal lathes Assignees: Pratt & Whitney Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 21, 1886 Granted: Dec. 21, 1886 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

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